204164266 has 8 divisors (see below), whose sum is σ = 307225764. Its totient is φ = 101755680.

The previous prime is 204164243. The next prime is 204164267. The reversal of 204164266 is 662461402.

It can be written as a sum of positive squares in 2 ways, for example, as 204061225 + 103041 = 14285^2 + 321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×204164266² = 83366095022637512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204164267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162445 + ... + 163696.

Almost surely, 2^204164266 is an apocalyptic number.

204164266 is a deficient number, since it is larger than the sum of its proper divisors (103061498).

204164266 is a wasteful number, since it uses less digits than its factorization.

204164266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326456.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 204164266 is about 14288.6061601543. The cubic root of 204164266 is about 588.8344950801.

The spelling of 204164266 in words is "two hundred four million, one hundred sixty-four thousand, two hundred sixty-six".